I believe it’s character vs character because he’s talking to another character and there clearly conflict between the two of them
It means being exact and accurate
I'd say that what Twain uses to convey how ridiculous the king looked on the second night of the show is satire.
Satire is <span>the use of humor, irony, exaggeration, or ridicule to expose and criticize people's stupidity or vices, particularly in the context of contemporary politics and other topical issues.</span>